Ask a Question forum→Lemon Lime Maranta Yellow leaves

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Oak Harbor, OH
CowgirlAtHeartOH
May 24, 2020 10:16 PM CST
I received a new Maranta in March. Bought her on Etsy and wasn't happy that I purchased a heat pack, they shipped without it and she had obvious cold damage. However, once she got acclimated in her new home she perked up and has been vigorously putting out new leaves.

I put her in a self watering pot. The kind that is clay and the porous clay is supposed to absorb moisture from the clay basin it sits in. I used 50 African violet soil 50 perlite. She sits not in front of, but directly next to a north facing picture window. I water her with reverse osmosis water or bottled purified water. I add diluted Dyna-Gro 7-9-5 to her waterings. I'm not sure if she could absorb it through the self water clay pot 🤷‍♀️

May 11.. I noticed a leaf turn yellow. Quickly. Like over night. And I noticed fuzzy mold on top of her soil. 😢 Since then 4 more leaves and a fifth leaf is yellowing now. It's crazy how fast. I wake up and check on her and she's beautiful, then come evening time (the same day) and it's a complete yellow leaf. I did repot her 2 days ago. In a regular pot with drainage hole. I was worried the self water pot was too moist and causing root rot. I just had to feel better and wanted to check her roots. I used Happy Frog soil with added pumice, charcoal, and orchid bark. Surprisingly, all her roots had quite a few rhizomes. When I got her she barely had any roots yet. (They sold her as a starter plant but what i received was more like new cuttings). Only being repotted 2 days... I'm wondering if she just needs time to recoup or if shes sick and it's too late. She puts out about 3 new leaves at once. As soon as they unfurl she has 3 more new ones starting. She prays.

Ive seen a lot of people mention iron deficiency. Im torn on wether I should give her some Jacks fertilizer 20-20-20 or if it'll be too harsh to fertilize directly after a repot. I question wether a deficiency would cause 1 leaf at a time. It seems more leaves would be yellow at once. But I'm new to all of this 🤷‍♀️ I'm scared it's some virus. Please help! She's my favorite 😢

Also I run a Small diffuser next to her almost daily for humidity.

The first 3 photos were when I noticed her 1st yellow leaf in old pot. The last 2 photos are today in new pot with another yellow leaf. Hard to see how yellow with the lighting in the pic.

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Oak Harbor, OH
CowgirlAtHeartOH
May 24, 2020 11:41 PM CST
Zooming in on my 4th pic, I just noticed black specs on the leaves. I can hardly tell. But I'm hoping it's just dirt from the messy repot. I normally clean my plants in shower after messy repot. But we have extremely hard water so she's not allowed in the shower.
Name: one-eye-luke US.Vet.
Texas (Zone 8a)
Quitter's never Win
Hummingbirder Birds Organic Gardener Dog Lover Cat Lover
oneeyeluke
May 25, 2020 2:31 AM CST
The fertilizer is causing the yellowing leaves. The browning on the edges is cause from too much water. Stop the nutrients and allow the soil to dry by reducing the amount of water in your self watering pot.
NOT A EXPERT! Just a grow worm! I never met a plant I didn’t love.✌
Oak Harbor, OH
CowgirlAtHeartOH
May 25, 2020 5:42 AM CST
Thank you for your advice oneeyeluke. I wasn't sure about the self water pot she was in. So a few days ago I put her in a regular pot with drainage. When I did that I noticed the soil around her roots were pretty soggy. I'll let her dry out more now and hold off on fertilizer.
Oak Harbor, OH
CowgirlAtHeartOH
May 25, 2020 5:53 AM CST
Zooming in on my 4th pic, I just noticed black specs on the leaves. I can hardly tell. But I'm hoping it's just dirt from the messy repot. I normally clean my plants in shower after messy repot. But we have extremely hard water so she's not allowed in the shower.
Name: Will Creed
NYC
Prof. plant consultant & educator
Image
WillC
May 25, 2020 8:57 AM CST
Self-watering planters work well with some plants and with some potting mixes but not with others. The problem is that you lose control of the watering with a self-watering pot that can't make adjustments for different plant species and different potting media. So it is good that you moved it back into a standard pot.

However, replacing or changing potting soil can create new problems if tiny root hairs are damaged in the process. Any leaf loss your plant is experiencing is not due to a nutrient deficiency but to an issue with the roots.

Please post a photo that shows clearly how it is now potted.
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
Contact me directly at [email protected]
I now have a book available on indoor plant care
Oak Harbor, OH
CowgirlAtHeartOH
May 25, 2020 12:38 PM CST
She's in an 8" pot with one center drainage hole. And that pot sits in galvanized decorative planter stand. There's 6-7 different "Rooted starters" in the pot. I probably could have done 6" pot but my thinking was.. she is putting out new growth well and my goal is to take more cuttings and add to make fuller plant. If she stops dying on me 😢. I hope the pictures are what you were looking for. Don't mind the insulation walls and plywood floors 😂. We're remodeling.

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Oak Harbor, OH
CowgirlAtHeartOH
May 25, 2020 12:45 PM CST
Her last set of new leaves (3 or 4) were half the size of the others she's put out. However, we've had about a week of rain and it's been dreary with not much sun coming in Windows until today.

*also.. do you think I should isolate her from other plants?
[Last edited by CowgirlAtHeartOH - May 25, 2020 12:48 PM (+)]
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Name: Will Creed
NYC
Prof. plant consultant & educator
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WillC
May 25, 2020 12:52 PM CST
Thanks for the photos. The pot is still larger than necessary and therefore more prone to overwatering.

Let the top inch of soil get dry before adding just enough water that the top inch of soil gets dry again in about a week. Let's hope that provides the roots with the proper mix of water and oxygen.
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
Contact me directly at [email protected]
I now have a book available on indoor plant care
Name: Will Creed
NYC
Prof. plant consultant & educator
Image
WillC
May 25, 2020 12:53 PM CST
There is no evidence of any pests or disease so there is no reason to isolate it.
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
Contact me directly at [email protected]
I now have a book available on indoor plant care
Oak Harbor, OH
CowgirlAtHeartOH
May 25, 2020 1:08 PM CST
Ok. I will be careful in the watering. Hopefully it's not too late. I'm glad you don't think it's a disease! I truly appreciate the help and advice. Sorry so many questions. But do you think I should hold off on the diffuser until she's in better health? Or will taking the humidity away be worse?
Name: Will Creed
NYC
Prof. plant consultant & educator
Image
WillC
May 26, 2020 7:07 AM CST
No apology necessary. Increased humidity will help somewhat so keep it nearby.
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
Contact me directly at [email protected]
I now have a book available on indoor plant care

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